Removes more than 99.99% of pathogenic bacteria, and disease causing cysts such as Cryptosporidium and Giardia, particles, and also removes chlorine (to improve taste and odour), organics and lead.Prolonged life-span as the outer shell of the cartridge may be cleaned rather than replaced.Remains effective for at least 6 months (depending on usage) before it will need to be replaced.Fits industry standard 10" filter housing.No need to sterilise - Doulton® ceramics proprietary system inhibits microbiological growth.Doulton® ceramic filters allow essential minerals to remain in the water...